<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>精灵旅社</title>
  <style>
    * {
      margin: 0;
      padding: 0;
    }

    body {
      background-color: #2f0838;
      justify-content: center;
    }

    .nav {
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
      flex-direction: column;
    }


    .eye-lid {
      background-color: rgb(0, 0, 0);
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      box-shadow: 0 9px 0 2px rgba(0, 0, 0, 0.2);
      width: 150px;
      height: 150px;
    }

    .eye {
      background-color: #ffbc03;
      border-radius: 50%;
      transform: translate3d(0, 0, 0) rotate(90deg);
      width: 120px;
      height: 120px;
      animation: eye 5s infinite;
    }

    @keyframes eye {

      12%,
      25% {
        width: 100px;
        height: 110px;
      }

      37%,
      50% {
        width: 60px;
        height: 130px;
      }

      63%,
      75% {
        width: 100px;
        height: 103px;
      }

      87% {
        width: 100px;
        height: 100px;
      }
    }

    .cornea {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      background-color: rgb(0, 0, 0);
      border-radius: 50%;
      width: 50px;
      height: 50px;
      animation: eye-color 5s infinite;
    }

    @keyframes eye-color {

      63%,
      75% {
        background-color: rgb(8, 20, 96);
      }
    }

    .white-pupil {
      position: absolute;
      top: 9%;
      left: 10%;
      border-radius: 50%;
      background-color: #ffbc03;
      width: 20px;
      height: 20px;
    }

    .btn {
      margin-top: 20px;
    }

    button {
      margin: 15px;
      position: relative;
      font-family: inherit;
      font-size: 18px;
      border-radius: 40em;
      width: 8em;
      height: 3em;
      z-index: 1;
      color: white;
      cursor: pointer;
      overflow: hidden;
      border: none;
    }

    button .text a{
      text-decoration: none;
      position: absolute;
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
      line-height: 3em;
      border-radius: 40em;
      border: none;
      color: #fff;
      background: linear-gradient(rgba(255, 255, 255, 0.473),
          rgba(150, 150, 150, 0.25));
      z-index: 1;
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
    }

    button .blob {
      position: absolute;
      z-index: -1;
      border-radius: 5em;
      width: 5em;
      height: 3em;
      transition: transform 0.3s ease-in-out, background 0.3s ease-in-out;
    }

    button .blob:nth-child(2) {
      left: 0em;
      top: 0;
      background: #ff930f;
    }

    button .blob:nth-child(3) {
      left: 1.8em;
      top: 0;
      z-index: -1;
      background: #bf0fff;
    }

    button .blob:nth-child(4) {
      left: 4em;
      top: -1em;
      background: #ff1b6b;
    }

    button .blob:nth-child(5) {
      left: 4.3em;
      top: 1.6em;
      background: #0061ff;
    }

    button:hover .blob:nth-child(2) {
      background: #0061ff;
    }

    button:hover .blob:nth-child(3) {
      background: #ff1b6b;
    }

    button:hover .blob:nth-child(4) {
      background: #bf0fff;
    }

    button:hover .blob:nth-child(5) {
      background: #ff930f;
    }

    button:hover .blob {
      transform: scale(1.3);
    }

    button:active {
      border: 2px solid white;
    }
  </style>
</head>

<body>
  <div class="nav">
    <div class="main">
      <div class="eye-lid">
        <div class="eye">
          <div class="cornea">
            <div class="white-pupil"></div>
          </div>
        </div>
      </div>
    </div>
    <div class="btn">
      <button>
        <span class="text"><a href="./概要.html">Expolre</a></span>
        <span class="blob"></span>
        <span class="blob"></span>
        <span class="blob"></span>
        <span class="blob"></span>
      </button>
      <br>
      <button>
        <span class="text"><a href="#">仓库</a></span>
        <span class="blob"></span>
        <span class="blob"></span>
        <span class="blob"></span>
        <span class="blob"></span>
      </button>
    </div>
  </div>
</body>

</html>